Re: [beagleboard] Booting from SD card and not eMMC

[Gerald Coley]

You could ground the boot pin on the expansion connector until SYS_RESET goes hi.

You could delete the MLO file from the eMMC.

You could erase the eMMC.

Gerald

On Fri, May 24, 2013 at 5:30 PM, <jackzh...@gmail.com> wrote:

Hello all,

I would like to use GPMC on the BBB board, but as it states on the system reference manual

"GPMC bus may NOT be available due to the use of those signals by the eMMC"

Then it suggests to use the SD boot mode and not the eMMC.

My question is, how can I have the board to boot from the SD card rather than the eMMC.

Help would be appreciated!

Jack

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Gerald

 

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[evilwulfie]

I am booting debian on the SD card
if i take out the SD it boots to eMMC
modify the uEnv.txt file to say to boot to the SD card

https://gist.github.com/17twenty/2718613

similar to this ^^^

[Gerald Coley]

Have you read this page?

http://circuitco.com/support/index.php?title=Updating_The_Software

Gerald

On Fri, May 24, 2013 at 7:04 PM, <jackzh...@gmail.com> wrote:

Hi Gerald,

Which file do I download onto my SD card to boot? Say I want to use Angstrom, is it the BBB-eMMC-flasher or Angstrom-Cloud9-IDE-GNOME-eglibc-ipk-v2012.12-beaglebone-2013.05.24.img.xz? 

Also how do I delete the eMMC?

Thanks

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[Gerald Coley]

OK. Got it. There is no Angstrom image available that you can load that just boots from the SD card.

Gerald

On Fri, May 24, 2013 at 7:14 PM, <jackzh...@gmail.com> wrote:

Yes I assure you that I have read that page, 3 times actually, and it's about flashing eMMC, but I want to boot from the SD card.

[Gerald Coley]

Try this one. Download is slow and it is not supported. I have no idea if it works or not.

http://dominion.thruhere.net/koen/angstrom/beaglebone/Angstrom-Cloud9-IDE-GNOME-eglibc-ipk-v2012.12-beaglebone-2013.05.24.img.xz

Gerald

[Gerald Coley]

I have not yet tried it either.

Just delete the MLO file. And it will not be able to boot. No need to "erase" it. 

There is another thread going on at the same time with the same topic.Try searching the list for that one or about a dozen others that have taken place over the past month for other options.

Gerald

On Fri, May 24, 2013 at 7:23 PM, <jackzh...@gmail.com> wrote:

HI Gerald,

I have tried that already, and it doesn't work. I will try to boot from the SD card with that image, but I cannot connect to the board (ssh to the board).

I think I will try ubuntu or something else. By the way, while I have you, how do you erase the eMMC?

Jack

[caxu...@gmail.com]

Hi Gerald 

I have BBB.  i try boot of SDcard. S2 button pressed Booting user 3 led on other led off. 

[caxu...@gmail.com]

[tsjsa...@gmail.com]

Hi Gerald..
I deleted the MLO file & I booted from the SD card loaded with Angstrom Image.. It is working fine...But now what should I do if want to boot from the eMMC storage..
If i remove the SD card & if connect the SD card.. now BBB is not connecting & its not showing anything on my computer.. Previously before deleting that MLO file.. i used to connect the board to computer using USB without my SD card on BBB...

what should I do????

Any help much aprreciated....
Thanks & Regards!!!!
sagar

[Gerald Coley]

Well why not go here.

http://beagleboard.org/latest-images

http://beagleboard.org/getting-started

Gerald

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Gerald

 

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[Sagar Tangirala]

hello gerald!!!
good to hear from you!!!!
do u mean me to write another image to the eMMC storage???

is it possible even if the board is not responding i.e., if i remove the sd card, except the power led remaining all leds were in off state... so is it possible in that state to write another boot image to the BBB??

If possible pls refer me the link where i can get the steps for booting...

i referred previously this link...

http://elinux.org/Beagleboard:Updating_The_Software

thanks & regards

sagar

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[Matwey V. Kornilov]

Hi,

There is BeagleBoard.org Debian Image 2015-11-12 preloaded on my BBB eMMC and there is no any MLO file. How could I disable booting from eMMC?

суббота, 25 мая 2013 г., 3:30:46 UTC+4 пользователь Gerald написал: